#!/bin/bash
# script para reconectar automaticamente ADSL dinamicos si la IP que tomo
# esta en alguna lista negra de SPAM
# http://pablohoffman.com - 2005-08-08

dev=ppp0
rbldomains="cbl.abuseat.org sbl.spamhaus.org web.dnsbl.sorbs.net \
  spam.dnsbl.sorbs.net smtp.dnsbl.sorbs.net relays.ordb.org bl.spamcop.net\
  list.dsbl.org"

inetip=`/sbin/ifconfig $dev | grep inet | sed 's/.*addr://' | sed 's/  P-t.*//'`
ipb=(`echo $inetip | sed 's/\./ /g'`)

for domain in $rbldomains; do
    bloqueado=`dig +noall +answer ${ipb[3]}.${ipb[2]}.${ipb[1]}.${ipb[0]}.$domain | wc -l`
    [ $bloqueado == 1 ] && reconectar=1
done

[ $reconectar ] && {
    /sbin/adsl-stop
    /sbin/adsl-start
    $0
}